138889498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{41809}}^1$

素因数の和:41973

約数の個数: 16

約数和(自身を含む): 228784320

約数和(自身を除く): 89894822

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 41809, 83618, 459899, 919798, 6313159, 12626318, 69444749, 138889498]

約数ペア:

[(1, 138889498), (2, 69444749), (11, 12626318), (22, 6313159), (151, 919798), (302, 459899), (1661, 83618), (3322, 41809)]